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David Marr's CV

Summary

Engineering leader with 25 years building production software. Expertise in TypeScript, NodeJS, React, Vue, and AI-assisted development. Passionate about delivering enjoyable experiences and leading teams to faster, higher-quality delivery.

Experience

Engineering Manager, Context Labs · Cambridge, MA

Sept 2025 – Mar 2026

Led distributed UI/UX engineering organization delivering multi-tenant analytics platform using Nuxt and Vue.

Managed and grew UI/UX team across three continents; introduced OKRs and reviews improving velocity and reducing incident MTTR (time to restore service) by 50%.
Drove adoption of AI coding assistants and MCP extensions in our Nuxt stack, pairing hands-on workshops with clear review and testing guardrails so teams shipped safely at higher cadence.

Principal Software Engineer, Context Labs · Cambridge, MA

June 2022 – Sept 2025

Led technical delivery of a multi-tenant, production-grade analytics platform using Nuxt and Vue; established engineering practices to reduce time-to-market and improve product quality.

Built production BFF platform with GraphQL/Java, multi-tenancy, SSO, RBAC, and internationalization using Nuxt and Nitro.
Developed shared UI component library with Vega Lite, MapBox, and accessible controls (TypeScript/Vue).

Lead Engineer, Filtered.ai · Boston, MA

Feb 2020 – Feb 2022

Engineered the scalable SaaS platform for employers managing high-volume technical hiring processes with AI-driven grading, fraud detection, and React/TypeScript/Node.js tech stack.

Directed recruitment workflows (interview scheduling, candidate pipelines, assessments) using React, TypeScript, and Node.js.
Shipped features informed by funnel analytics and product metrics that identified drop-offs, raising funnel completion and improving time-to-hire conversion metrics.

Lead / Staff Software Engineer, Turo · Cambridge, MA

Apr 2018 – Dec 2019

Promoted from Staff to Lead (Apr 2019) to drive customer-facing features for host engagement and revenue. Leveraged React and Redux; added error management with stack traces; integrated in-car hardware.

Owned trip management tools with dynamic pricing, improving host experience and utilization.
Shipped UI and workflow updates for the All-star host program to recognize and incentivize top hosts, supporting retention and higher-quality listings.

Senior Software Architect, OneMarket / Westfield Labs · San Francisco, CA

Jan 2016 – May 2018

Architected physical and online payment products, producing £2m per-month of income. Led customer management tools using JavaScript and React. Resided in London for flagship shopping center project.

Developed smart parking with facial recognition, subscription billing, and automated gates using React and Stripe APIs.
Built indoor mapping, directory kiosks, and wayfinding systems with Mapbox, Node.js, and C.

Senior Systems Engineer, Tilt.com · San Francisco, CA

July 2013 – Dec 2015

Optimized core user flows and backend systems to increase conversion and streamline operations. Simplified contribution flow yielding 15% lift in signups; engineered early React SSR with Perl/JavaScript.

Design Technologist, Frog Design · San Francisco/Orlando/Austin

Jan 2009 – Mar 2010

Engineered digital and physical technical innovations including:

MagicBand wristband at Disney World onsite in Orlando, FL.
Cellular television at Qualcomm campus in Austin, TX.
Smartphone UI for AT&T/Facebook prototype in San Francisco, CA.

Previous Leadership & Technical Roles, Various · Massachusetts & California

2000-2013

Industrial automation web interfaces and dashboards (GE Fanuc / Intellution); enterprise web integrations (SoftArtisans); user-facing features and a Webby-recognized career advice site (Monster.com); scalable frontend architecture for high-traffic Yahoo properties; design-to-production prototyping (Frog Design); co-founder/CTO for an early social product (Secret Feature); publishing and ad-tech at Say Media.